A misplayed grounder that nearly went through the legs of pitcher Gio Gonzalez. A bases-loaded walk. A wild pitch that allowed the tiebreaking run to score.Washington Nationals players lean on the dugout fence during the ninth inning of Game 4 of baseball's NL Division Series against the San Francisco Giants in San Francisco, Tuesday, Oct. 7, 2014. The Giants won 3-2 to win the series.San Francisco Giants Buster Posey is tagged out at home by Washington Nationals pitcher Aaron Barrett (30) after he ran on a wild pitch in the seventh inning during Game 4 of baseball's NL Division Series in San Francisco, Tuesday, Oct. 7, 2014.Washington Nationals pitcher Gio Gonzalez delivers a pitch in the first inning against the San Francisco Giants during Game 4 of baseball's NL Division Series in San Francisco, Tuesday, Oct. 7, 2014.Washington Nationals pitcher Tanner Roark (57) delivers a pitch in the fifth inning against the San Francisco Giants during Game 4 of baseball's NL Division Series in San Francisco, Tuesday, Oct. 7, 2014.